WHENEVER Yolandi Boshoff looks up at the night stars – she isn’t looking at the Moon or one of Elon Musk’s starlink ...

Asteroid Bennu has gone from a dark speck in telescope images to a kind of time capsule, carrying intact chemistry from the ...

For decades, the search for alien life has revolved around a narrow ring around stars where liquid water could exist on a planet’s surface. That “habitable zone” remains important, but astronomers are ...